Author Topic: Am I correct with the Bit/IC allocation a CPC664 (Geralds Ramtest)  (Read 1462 times)

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Offline Audronic

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HI All

Geralds (Dead) Ramtest
Am I correct with the Bit/IC allocation a CPC664
About to snip out some ram on 3 CPC664's


Ray



« Last Edit: 07:43, 31 January 19 by Audronic »
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Procrastinators Unite,
If it Ain't Broke PLEASE Don't Fix it.
I keep telling you I am Not Pedantic.
As I Live " Down Under " I Take my Gravity Tablets and Wear my Magnetic Boots to Keep me from Falling off.

Offline gerald

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HI All

Geralds (Dead) Ramtest
Am I correct with the Bit/IC allocation a CPC664
About to snip out some ram on 3 CPC664's


Ray

Bits are displayed from top of the scree in D7 to D0 order, so that's right  ;)
From Service manual (except for pre-asic version):
D7 = IC124
D6 = IC123
D5 = IC122
D4 = IC121
D3 = IC117
D2 = IC118
D1 = IC119
D0 = IC120
So it looks right too.


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Offline Audronic

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@gerald


Thanks for the explanation.


Where are those side cutters and the soldering iron ?


Thanks.  Ray
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Procrastinators Unite,
If it Ain't Broke PLEASE Don't Fix it.
I keep telling you I am Not Pedantic.
As I Live " Down Under " I Take my Gravity Tablets and Wear my Magnetic Boots to Keep me from Falling off.